Revelation 14:8

And another second angel followed, saying, Fallen, fallen is Babylon the great, who has made all the nation to drink of the wine of the wrath of her fornication.

Revelation 18:2

And he cried with a strong voice, saying, Fallen, fallen is Babylon the great, and has become the habitation of demons, and the hold of every unclean spirit, and the den of every unclean and hateful bird;

Revelation 18:8-11

therefore in one day shall her plagues come, death, and mourning, and famine; and she shall be utterly burnt up with fire: because God, the one judging her, is a mighty Lord.

Revelation 18:17-19

And every pilot, and every one sailing to the place, both the sailors and so many as traverse the sea, stood a long way off,

Treasury of Scripture Knowledge

Summary

Babylon is suddenly fallen and destroyed: howl for her; take balm for her pain, if so be she may be healed.

Bible References

Suddenly

Revelation 14:8
And another second angel followed, saying, Fallen, fallen is Babylon the great, who has made all the nation to drink of the wine of the wrath of her fornication.
Revelation 18:2
And he cried with a strong voice, saying, Fallen, fallen is Babylon the great, and has become the habitation of demons, and the hold of every unclean spirit, and the den of every unclean and hateful bird;